?? tensor product (as non-quasicoherent...) of toric quasicoherent sheaves is again quasicoherent ... ????.... this as linked with "flatness of localization" ??? .... ???? ??or something different ??? .... ??? ....

a,b N-sets ... (a tensor b) tensor Z, vs ... ??? (a tensor Z) tensor_Z (b tensor Z)

???relationship between "flatness of localization" and "idempotence of localization" ???? .... ???? ......